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Finding the Fourth Proportional to 239,189.58, 358,950.15 and 154,739.52

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Solution

The fourth proportional to 239,189.58, 358,950.15 and 154,739.52 is: 232,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,189.58 : 358,950.15 = 154,739.52 : x
  2. Step 2: Convert to fraction form
    239,189.58/358,950.15 = 154,739.52/x
  3. Step 3: Cross multiply
    239,189.58x = 358,950.15 × 154,739.52
  4. Step 4: Simplify right side
    239,189.58x = 55,543,773,914.93
  5. Step 5: Solve for x
    x = 55,543,773,914.93/239,189.58
  6. Step 6: Final answer
    x = 232,216.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.